Examlex
Draw the tosylate ion and explain why it is a particularly good leaving group.
Stem Cells
Undifferentiated cells capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.
Myelin Sheath
A protective covering that surrounds axons of some neurons, which helps increase the speed at which nerve impulses travel.
Signals
In communication, signals are transmitted information or stimuli that convey messages between individuals or systems.
Myelin Sheath
A fatty layer that surrounds the axons of some neurons, providing insulation and improving the speed of electrical impulses.
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